Photo by Melody

Sycamore Tussock Moth (Halysidota harrisii)

Order: Lepidoptera (le-pid-OP-ter-a) (Info)
Family: Arctiidae (ark-TYE-ih-dee) (Info)
Genus: Halysidota
Species: harrisii


No positives
No neutrals
1 negative


This bug has been reportedly found in the following regions:

Albertville, Alabama
Benton, Kentucky
Hudson, New Hampshire
Rochester, New York
Glouster, Ohio
Gaffney, South Carolina
Houston, Texas

By melody
Thumbnail #1 of Sycamore Tussock Moth (Halysidota harrisii) by melody

By melody

Thumbnail #2 of Sycamore Tussock Moth (Halysidota harrisii) by melody

By kbaby207

Thumbnail #3 of Sycamore Tussock Moth (Halysidota harrisii) by kbaby207

Member Notes:

Negative melody On Sep 30, 2006, melody from Benton, KY
(Zone 7a) wrote:

These caterpilars are known for defoliating groves of sycamore trees. Not usually harmful to solitary trees, or nursery stock, but can do quite a bit of damage in the wild.

The moths are small, pale yellow with darker forewings. They emerge in early spring and lay the first generation of eggs in May, the second generation of caterpillars will pupate in late Sept/Oct, just before frost.

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